See the big 1989 California earthquake as it happened with this amazing footage. Watch the remarkable scenes that take place as buildings and the ground suddenly start to violently shake. Ceilings collapse, furniture falls to the ground, windows smash and people run for their lives in this scary reminder of how dangerous earthquakes can be. Also known as the Loma Prieta earthquake, it measured 7.0 on the Richter Scale, killed 63 people and injured many more.